<template>
  <div>
    <!-- 导航-->
<el-breadcrumb separator-class="el-icon-arrow-right">
  <el-breadcrumb-item :to="{ path: '/' }">首页</el-breadcrumb-item>
  <el-breadcrumb-item>用户管理</el-breadcrumb-item>
  <el-breadcrumb-item>用户列表</el-breadcrumb-item>
</el-breadcrumb>
<el-card class="box-card"> 
  
    <el-row :gutter="20">
      <el-col :span="9">
<el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @click="getUserList">
    <el-button slot="append" icon="el-icon-search" @click="getUserList"></el-button>
    </el-input>
      </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="addDialogVisible=true">添加用户</el-button>
        </el-col>
    </el-row>
  <!-- 用户列表区域 -->
  <el-table :data="userlist" border stripe>
    <!-- data绑定数据 -->
    <el-table-column type=index label="#"></el-table-column>
    <el-table-column label="姓名" prop="username"></el-table-column>
    <el-table-column label="邮箱" prop="email"></el-table-column>
    <el-table-column label="电话" prop="mobile"></el-table-column>
    <el-table-column label="角色" prop="role_name"></el-table-column>
    <el-table-column label="状态" prop="mg_state">
      <template slot-scope="scope">
        <el-switch v-model="scope.row.mg_state" @change="userStateChanged(scope.row)">
          <!-- 状态栏 -->
        </el-switch>
      </template>
    </el-table-column>
    <el-table-column label="操作" width="180px">
      <template slot-scope="scope">
        <!-- 修改 -->
        <el-button type="primary" icon="el-icon-edit" size="mini" @click="showEditDialog(scope.row.id)"></el-button>
        <!-- 删除 -->
        <el-button type="danger" icon="el-icon-delete" size="mini" @click="removeUserById(scope.row.id)"></el-button>
        <!-- 分配 -->
         <el-tooltip effect="dark" content="分配角色" placement="top" :enterable="false">
            <el-button type="warning" icon="el-icon-setting" size="mini" @click="setRole(scope.row)"></el-button>
         </el-tooltip>
      </template>
    </el-table-column>
  </el-table>
   <el-pagination
      @size-change="handleSizeChange"
      @current-change="handleCurrentChange"
      :current-page="queryInfo.pagenum"
      :page-sizes="[1, 10, 20, 30]"
      :page-size="100"
      layout="total, sizes, prev, pager, next, jumper"
      :total="total">
    </el-pagination>
</el-card>
    <!-- 添加用户对话框 -->
    <el-dialog
  title="添加用户"
  :visible.sync="addDialogVisible"
  width="50%" @close="addDialogClosed">
  <!-- 内容主体 -->
  <el-form :model="addForm" :rules="addFormRules" ref="addFormRef" label-width="70px" class="demo-ruleForm">
    <el-form-item label="用户名" prop="username">
      <el-input v-model="addForm.username"></el-input>
    </el-form-item>
    <el-form-item label="密码" prop="password">
      <el-input v-model="addForm.password"></el-input>
    </el-form-item>
    <el-form-item label="邮箱" prop="email">
      <el-input v-model="addForm.email"></el-input>
    </el-form-item>
    <el-form-item label="手机" prop="mobile">
      <el-input v-model="addForm.mobile"></el-input>
    </el-form-item>
  </el-form>
  <!-- 底部区域 -->
  <span slot="footer" class="dialog-footer">
    <el-button @click="addDialogVisible = false">取 消</el-button>
    <el-button type="primary" @click="addUser">确 定</el-button>
  </span>
</el-dialog>
<!-- 修改用户 -->
<el-dialog
  title="修改用户"
  :visible.sync="ediDialogVisible"
  width="50%" @close="editDialogClosed">

  <el-form :model="editForm" :rules="editFormRules" ref="editFormRef" label-width="70px">
  <el-form-item label="用户名称">
    <el-input v-model="editForm.username" disabled></el-input>
  </el-form-item>
   <el-form-item label="邮箱" prop="email">
    <el-input v-model="editForm.email"></el-input>
  </el-form-item>
   <el-form-item label="手机" prop="mobile">
    <el-input v-model="editForm.mobile"></el-input>
  </el-form-item>
  </el-form>

  <span slot="footer" class="dialog-footer">
    <el-button @click="ediDialogVisible = false">取 消</el-button>
    <el-button type="primary" @click="editUserInfo">确 定</el-button>
  </span>
</el-dialog>
<!-- 分配角色对话框 -->
<el-dialog
  title="提示"
  :visible.sync="setRoleDialogVisible"
  width="50%"
  :before-close="handleClose" @close="setRoleDialogColsed">
  <div>
    <p>当前的用户：{{userInfo.username}}</p>
    <p>当前的角色：{{userInfo.role_name}}</p>
    <p>分配新角色：
       <el-select v-model="selectedRoleId" 
       placeholder="请选择">
      <el-option
      v-for="item in rolesList"
      :key="item.id"
      :label="item.roleName"
      :value="item.id">
    </el-option>
  </el-select>
    </p>
  </div>
  <span slot="footer" class="dialog-footer">
    <el-button @click="setRoleDialogVisible = false">取 消</el-button>
    <el-button type="primary" @click="saveRoleInfo">确 定</el-button>
  </span>
</el-dialog>
  </div>
</template>

<script>
export default {
  data(){
    // 验证邮箱的规则
    var checkEmail = (rule,value,cd) => {
      // 验证邮箱的正则表达式
      const regEmail = /^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+(\.[a-zA-Z0-9_-])/
      if(regEmail.test(value)){
        return cd()
      }
      cd(new Error('请输入合法的邮箱'))
    }
    // 验证手机的规则
    var checkMobile = (rule,value,cd) => {
      //验证手机号的正则表达式
      const regMobile = /^(0|86|17951)?(13[0-9]|15[0123456789]|17[678]|18[0-9]|14[57])[0-9]{8}$/
      if(regMobile.test(value)){
        return cd()
      }
       cd(new Error('请输入合法的手机号'))
    }

    return{
      // 获取用户列表的参数
      queryInfo:{
        query:'',
        // 页数
        pagenum:1,
        // 当前每页显示多少条数据
        pagesize:5,
      },
      userlist:[],
      total:0,
      // 控制添加用户对话框的显示于隐藏
      addDialogVisible:false,
      // 添加用户的表单数据
      addForm:{
        username:'',
        password:'',
        email:'',
        mobile:'',
      },
      // 添加表单的验证规则
      addFormRules:{
      username:[
        {
          required:true,
          message:'输入用户名',trigger:'blur'},
          {min:3,max:10,message:'用户名的长度在3~10个字符之间',
          trigger:'blur'}
      ],
      password:[
        {
          required:true,
          message:'输入密码',trigger:'blur'},
          {min:6,max:15,message:'用户名的长度在6~15个字符之间',
          trigger:'blur'}
      ],
      email:[
        {
          required:true,
          message:'请输入邮箱',trigger:'blur'},
          {trigger:'blur'},{validator:
          checkEmail,trigger:'blur'
        },

      ],
      mobile:[
        {
          required:true,
          message:'请输入手机号码',trigger:'blur'},
          {trigger:'blur'},{validator:
          checkMobile,trigger:'blur'}
      ]
      },
      // 修改用户对话框的显示和隐藏
      ediDialogVisible:false,
      // 查询到的用户信息对象
      editForm: {

      },
      // 修改表单的验证规则对象
      editFormRules:{
        email:[
        {
          required:true,
          message:'请输入邮箱',trigger:'blur'},
          {trigger:'blur'},{validator:
          checkEmail,trigger:'blur'
        }
        ],
        mobile:[
          {
          required:true,
          message:'请输入手机号码',trigger:'blur'},
          {trigger:'blur'},{validator:
          checkMobile,trigger:'blur'}
        ]
      },
      // 控制分配角色对话框
      setRoleDialogVisible : false,
      // 需要被分配的用户信息
      userInfo:{},
      // 所有角色数据列表
      rolesList:[],
      // 已经选中的角色列表
      selectedRoleId:''
    }
  },
  created(){
    this.getUserList()
  },
  methods:{
    async getUserList(){
      const {data:res} = await this.$http.get('users',{params:this.queryInfo})
      if(res.meta.status !== 200){
      return this.$message.error('获取用户列表失败')
      }
      this.userlist = res.data.users
      this.total = res.data.total
      console.log(res);
    },
    handleSizeChange(newSize){
      console.log(newSize);
      this.queryInfo.pagesize = newSize
      this.getUserList()
    },
    handleCurrentChange(newPage){
      console.log(newPage);
      this.queryInfo.pagenum = newPage
      this.getUserList()
    },
    // 监听switch开关状态
    async userStateChanged(userinfo) {
      console.log(userinfo);
     const {data:res} = await this.$http.put(`users/${userinfo.id}/state/${userinfo.mg_state}`)
     if(res.meta.status !== 200) {
       userinfo.mg_state =!userinfo.mg_state
       return this.$message.error('更新用户失败')
     }
     this.$message.success('更新用户状态成功')
    },
    // 监听对话框的关闭
    addDialogClosed(){
      this.$refs.addFormRef.resetFields()
    },
    // 点击按钮验证
     addUser(){
      this.$refs.addFormRef.validate(async valid => {
        if(!valid) return
    // 可以添加网络请求
        const {data:res} = await this.$http.post
        ('users',this.addForm)
        if(res.meta.status !== 201){
          this.$message.error('添加用户失败')
        }
        this.$message.success('添加成功')
        this.addDialogVisible = false
        // 重新获取用户列表数据
        this.getUserList()
      })
    },
    // 编辑用户
    async showEditDialog(id){
      this.ediDialogVisible=true
      console.log(id);
      const {data:res} = await this.$http.get('users/'+id)
      if(res.meta.status !== 200){
        return this.$message.error('查询用户失败')
      }
      this.editForm = res.data
      this.ediDialogVisible = true
    },
    // 监听用户对话框关闭的事件
    editDialogClosed(){
      this.$refs.editFormRef.resetFields()
    },
    // 修改用户提交
    editUserInfo(){
      this.$refs.editFormRef.validate(async valid =>{
        if(!valid) return
        // 发起请求
        const {data:res} = await this.$http.put('users/' + this.editForm.id,{
        email:this.editForm.email,
        mobile:this.editForm.mobile})

        if(res.meta.status !== 200) {
          return this.$message.error('更新用户失败')
        }
        // 关闭对话框
        this.ediDialogVisible = false
        // 刷新数据列表
        this.getUserList()
        // 提示修改成功
        this.$message.success('更新用户成功')
      })
    },
    // 根据id删除
    async removeUserById(id){
      // 弹框用户是否删除
      const confirmResult = await this.$confirm('此操作将永久删除该用户, 是否继续?', '删除用户！', {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }).catch(err => {
          return err
          // 如果用户删除则返回值confirm
          // 如果用户取消删除则返回值cancel
        })
        console.log(confirmResult);
        if(confirmResult !=='confirm') {
          return this.$message.info('已经取消')
        }
        const {data:res} = await this.$http.delete('users/' + id)

        if(res.meta.status !== 200){
          return this.$message.error('删除用户失败')
        }
        this.$message.success('删除用户成功')
        this.getUserList()
    },
    // 分配角色的对话框
   async setRole(userInfo) {
      this.userInfo = userInfo
    // 在展示对话框之前，获取角色列表
     const {data:res} = await this.$http.get('roles')
     if(res.meta.status !== 200){
       return this.$message.error('获取角色列表失败')
     }
      this.rolesList = res.data
      this.setRoleDialogVisible = true
    },
    // 点击按钮
    async saveRoleInfo(){
      if(!this.selectedRoleId){
        return this.$message.error('选择需要分配的角色')
      }
      const {data:res} = await this.$http.put(`users/${this.userInfo.id}/role`,{
        rid: this.selectedRoleId
      })
      if(res.meta.status !== 200) {
        return this.$message,error('更新角色失败!')

      }
      this.$message.success('更新角色成功')
      this.getUserList()
      this.setRoleDialogVisible = false
    },
    // 监听角色对话框的关闭事件
    setRoleDialogColsed(){
      this.selectedRoleId = ''
      this.userInfo = {}
    }
    
  }

}
</script>

<style lang="less" scoped>

</style>